Consolidated Statements of Changes in Stockholders' Equity - USD ($)	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Total
Balance (in shares) at Dec. 31, 2017	83,031,595
Balance at Dec. 31, 2017	$ 83,032	$ 94,200,237	$ (122,461)	$ (68,950,742)	$ 25,210,066
Common stock repurchased, amount					0
Issuance of common stock options exercises (in shares)	100,000
Issuance of common stock options exercises	$ 100	43,900			44,000
Issuance of common stock restricted (in shares)	980,851
Issuance of common stock restricted	$ 981	(981)			0
Stock compensation expense restricted		387,690			387,690
Stock compensation expense non-qualified stock options		295,714			295,714
Foreign currency translation gain			(64,024)		(64,024)
Net loss				(1,456,476)	(1,456,476)
Balance (in shares) at Dec. 31, 2018	84,112,446
Balance at Dec. 31, 2018	$ 84,113	94,926,560	(186,485)	(70,407,218)	24,416,970
Common stock repurchased, shares	(863,733)
Common stock repurchased, amount	$ (865)	(364,820)			(365,685)
Issuance of common stock restricted (in shares)	662,740
Issuance of common stock restricted	$ 663	(663)			0
Cancellation of common stock, shares	(50,000)
Cancellation of common stock, amount	$ (50)	50			0
Stock compensation expense restricted		381,251			381,251
Stock compensation expense non-qualified stock options		336,736			336,736
Foreign currency translation gain			(56,109)		(56,109)
Net loss				226,255	226,255
Balance (in shares) at Dec. 31, 2019	83,861,453
Balance at Dec. 31, 2019	$ 83,861	$ 95,279,114	$ (242,594)	$ (70,180,963)	$ 24,939,418